must shut
Verbo irregular: shut - shut- shut

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must shut
you must shut
she must shut
we must shut
you must shut
they must shut 	I must be shutting
you must be shutting
she must be shutting
we must be shutting
you must be shutting
they must be shutting	I must have shut
you must have shut
she must have shut
we must have shut
you must have shut
they must have shut	I must have been shutting
you must have been shutting
she must have been shutting
we must have been shutting
you must have been shutting
they must have been shutting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't shut
you mustn't shut
she mustn't shut
we mustn't shut
you mustn't shut
they mustn't shut 	I mustn't be shutting
you mustn't be shutting
she mustn't be shutting
we mustn't be shutting
you mustn't be shutting
they mustn't be shutting	I mustn't have shut
you mustn't have shut
she mustn't have shut
we mustn't have shut
you mustn't have shut
they mustn't have shut	I mustn't have been shutting
you mustn't have been shutting
she mustn't have been shutting
we mustn't have been shutting
you mustn't have been shutting
they mustn't have been shutting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I shut?
must you shut?
must she shut?
must we shut?
must you shut?
must they shut? 	must I be shutting?
must you be shutting?
must she be shutting?
must we be shutting?
must you be shutting?
must they be shutting? 	must I have shut?
must you have shut?
must she have shut?
must we have shut?
must you have shut?
must they have shut? 	must I have been shutting?
must you have been shutting?
must she have been shutting?
must we have been shutting?
must you have been shutting?
must they have been shutting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I shut?
mustn't you shut?
mustn't she shut?
mustn't we shut?
mustn't you shut?
mustn't they shut? 	mustn't I be shutting?
mustn't you be shutting?
mustn't she be shutting?
mustn't we be shutting?
mustn't you be shutting?
mustn't they be shutting? 	mustn't I have shut?
mustn't you have shut?
mustn't she have shut?
mustn't we have shut?
mustn't you have shut?
mustn't they have shut? 	mustn't I have been shutting?
mustn't you have been shutting?
mustn't she have been shutting?
mustn't we have been shutting?
mustn't you have been shutting?
mustn't they have been shutting?